(a) Evaluate the closed line integral of H about the rectangular path P:(2, 3, 4) to P2(4, 3, 4) to P3(4,3, 1) to P4(2,3, 1) to P1, 3zāx – 2x a, A/m. (b) Determine (V × H), at the center of the area. given %3D
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